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74ACT109SC
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Encyclopedia Entry: 74ACT109SC

Product Overview

Category

The 74ACT109SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronic systems for storing and manipulating binary data. It serves as a dual positive-edge-triggered JK flip-flop with clear functionality.

Characteristics

  • Dual flip-flop package
  • Positive-edge-triggered operation
  • Clear functionality for resetting the flip-flop
  • High-speed performance
  • Low power consumption

Package

The 74ACT109SC is typically available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 74ACT109SC lies in its ability to store and manipulate binary data, making it an essential component in digital electronic systems.

Packaging/Quantity

The 74ACT109SC is commonly packaged in reels or tubes, containing a quantity of 250 or 2,500 units per package, respectively.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • High-Level Input Voltage: 2.0V (min), 3.85V (max)
  • Low-Level Input Voltage: 0.8V (min), 1.65V (max)
  • High-Level Output Voltage: 2.4V (min), VCC (max)
  • Low-Level Output Voltage: GND (min), 0.4V (max)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT109SC has a total of 16 pins, each serving a specific function:

  1. J1: JK Flip-Flop J input for the first flip-flop.
  2. K1: JK Flip-Flop K input for the first flip-flop.
  3. CLR1: Clear input for the first flip-flop.
  4. CLK1: Clock input for the first flip-flop.
  5. Q1: Output of the first flip-flop.
  6. Q̅1: Complementary output of the first flip-flop.
  7. GND: Ground reference voltage.
  8. VCC: Positive power supply voltage.
  9. J2: JK Flip-Flop J input for the second flip-flop.
  10. K2: JK Flip-Flop K input for the second flip-flop.
  11. CLR2: Clear input for the second flip-flop.
  12. CLK2: Clock input for the second flip-flop.
  13. Q2: Output of the second flip-flop.
  14. Q̅2: Complementary output of the second flip-flop.
  15. NC: No connection (unused pin).
  16. GND: Ground reference voltage.

Functional Features

The 74ACT109SC offers the following functional features:

  • Dual flip-flop operation: It consists of two independent JK flip-flops, allowing for simultaneous storage and manipulation of two separate binary values.
  • Positive-edge-triggered operation: The flip-flops are triggered by a rising edge of the clock signal, ensuring accurate data capture.
  • Clear functionality: The clear inputs allow for resetting the flip-flops to a known state, facilitating controlled initialization of the stored data.
  • High-speed performance: The IC operates at high speeds, enabling efficient data processing in digital systems.
  • Low power consumption: It is designed to consume minimal power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

  • Dual flip-flop package provides flexibility in designing complex digital circuits.
  • Positive-edge-triggered operation ensures reliable data capture.
  • Clear functionality allows for controlled initialization of stored data.
  • High-speed performance enables efficient data processing.
  • Low power consumption makes it suitable for battery-powered applications.

Disadvantages

  • Limited to dual flip-flop functionality, may not be suitable for applications requiring more than two flip-flops.
  • Requires external components for complete circuit implementation.

Working Principles

The 74ACT109SC operates based on the principles of JK flip-flops. Each flip-flop consists of J and K inputs, a clock input, a clear input, and complementary outputs (Q and Q̅). The J and K inputs determine the behavior of the flip-flop, while the clock input triggers the storage or manipulation of data. The clear input resets the flip-flop to a known state.

Detailed Application Field Plans

The 74ACT109SC finds application in various digital electronic systems, including but not limited to:

  1. Counters and frequency dividers: It can be used to build synchronous counters and frequency dividers, enabling precise frequency division and counting operations.
  2. Shift registers: By cascading multiple 74ACT109SC ICs, shift

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74ACT109SC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74ACT109SC in technical solutions:

  1. Q: What is the 74ACT109SC? A: The 74ACT109SC is a dual positive-edge-triggered JK flip-flop integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the operating voltage range of the 74ACT109SC? A: The 74ACT109SC operates within a voltage range of 4.5V to 5.5V.

  3. Q: How many flip-flops are there in the 74ACT109SC? A: The 74ACT109SC contains two independent JK flip-flops.

  4. Q: What is the maximum clock frequency supported by the 74ACT109SC? A: The 74ACT109SC can operate at a maximum clock frequency of 125 MHz.

  5. Q: Can the 74ACT109SC be used for synchronous or asynchronous operation? A: The 74ACT109SC is designed for synchronous operation, where the outputs change only on the rising edge of the clock signal.

  6. Q: What is the setup time requirement for the inputs of the 74ACT109SC? A: The setup time requirement for the inputs is typically 5 ns.

  7. Q: Does the 74ACT109SC have any built-in preset or clear functionality? A: No, the 74ACT109SC does not have any built-in preset or clear functionality.

  8. Q: What is the typical propagation delay of the 74ACT109SC? A: The typical propagation delay of the 74ACT109SC is around 5 ns.

  9. Q: Can the 74ACT109SC be cascaded to create larger counters or shift registers? A: Yes, multiple 74ACT109SC ICs can be cascaded together to create larger counters or shift registers.

  10. Q: What are some common applications of the 74ACT109SC? A: The 74ACT109SC is commonly used in applications such as frequency division, data synchronization, counter circuits, and shift register circuits.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the 74ACT109SC.